Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 31, Issue 1, Pages 129-138Publisher
SPRINGER
DOI: 10.1140/epjc/s2003-01309-y
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A general formalism is developed that allows the construction of a field theory on quantum spaces which are deformations of ordinary spacetime. The symmetry group of spacetime (the Poincare group) is replaced by a quantum group. This formalism is demonstrated for the kappa-deformed Poincare algebra and its quantum space. The algebraic setting is mapped to the algebra of functions of commuting variables with a suitable star-product. Fields are elements of this function algebra. The Dirac and Klein-Gordon equation are defined and an action is found from which they can be derived.
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